Self-diagnosis function table (Flashing LED Display)
Applicable model : ASH9LSBCW, ASH12LSBCW
* Detailed Trouble Display (secondary level) can be indicated by pressing Test Operation button.
ERROR CONTENTS
Error
Operation
Timer Error
Operation
Timer
Serial signal Normal 1 sec
Serial reverse signal error
0.1sec 0.5sec
When a signal is not read continuously for 10 secs
from power relay ON immediately after operation starts
>>Cooling 0 code transmission, automatic reset
When a signal is not read for 20 secs thereafter
>>Trouble display continues and power relay OFF
>>Permanent stop
When a signal is not read continuously for 10 secs
from power relay ON immediately after operation starts
>>Cooling 0 code transmission, automatic reset
When a signal is not read for 20 secs thereafter
>>Trouble display continues and power relay OFF
>>Permanent stop
error blinking
at operation start up
blinking 2 times
Signal reverse signal error
0.1sec 0.5sec
during operation
blinking 3 times
Serial forward signal error
0.1sec 0.5 sec
Normal Serial Forward Signal can not be
received more than 10 secs
at operation start up
blinking 4 times
>>Releases when it becomes normal
Serial forward signal error
0.1sec 0.5sec
Normal Serial Forward Signal can not be
received more than 10 secs ( after receiving
effective forward transfer signal)
>>Releases when it becomes normal
during operation
blinking 5 times
Indoor unit 0.5sec 0.1sec
Indoor temperature
0.1sec 0.5sec
Thermistor detection value is open when
AC plug is inserted
thermistor 2 times blinking
thermistor open
blinking 2 times
error
>>Releases when value becomes normal
Pipe thermistor
0.1sec 0.5sec
Thermistor detection value is open or short
when AC plug is inserted
open or short
blinking 3 times
>>Releases when value becomes normal
Outdoor unit 0.5sec 0.1sec
Discharge thermistor
0.1sec 0.5sec
Thermistor detection value is open or short
thermistor 3 times blinking
open or short
blinking 2 times
error
>>Outdoor unit stops
Releases when it becomes normal
Heat exchanger
0.1sec 0.5sec
Thermistor detection value is open
thermistor open
blinking 3 times
>>Outdoor unit stops
Releases when it becomes normal
Outdoor temperature
0.1sec 0.5sec
Thermistor detection value is open or short
thermistor open or short
blinking 4 times
>>Outdoor unit stops
Releases when it becomes normal
Indoor unit 0.5sec 0.1sec
Forced automatic SW
0.1sec 0.5sec
Forced Auto SW is ON for more than
10 secs continuously
control error 4 times blinking
welded
blinking 2 times
>>Error is indicated while it is ON
Normal Operation other than error indication
Main relay welded
0.1sec 0.5sec
Serial Reverse Signal is received 1 min.
after Main relay becomes OFF
blinking 3 times
>>Error is indicated while serial reverse
signal is input on normal operation
Normal operation except error indication
Power interruption error
0.1sec 0.5sec
50/60Hz is not detected after 4 secs of
power ON.
blinking 4 times
>>Error is indicated and unit is stopped
Trouble Display (primary) Detailed Trouble Display (by Test Button) Detailed Error Item
IndoorIndoorIndoorIndoorIndoor OutdoorOutdoorOutdoor
2005.02.18 7
